<!DOCTYPE html>
<html>
<head>
    <style>
        html, body { 
            height: 100%;
            margin: 0;
            padding: 0;
        }
        
        body { 
            background: transparent;
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            font-weight: bold;
            text-shadow: 1px 1px 3px rgba(0,0,0,0.7);
            text-align: center;
            cursor: pointer; /* 添加指针样式表示可点击 */
        }
    </style>
</head>
<body onclick="navigateToDashboard()">
    首页
    
    <script>
        function navigateToDashboard() {
            // 向父窗口发送消息，请求导航到dashboard页面
            window.parent.postMessage({
                type: 'navigate',
                url: 'content-dashboard.html'
            }, '*');
        }
    </script>
</body>
</html>